Hi Matt,
Rotating each direction independently taking into account the rotation components of
eddy_correct is the correct thing to do. I thought that is what your script did!
-Pablo
On Sun, 7 Sep 2008 13:00:48 -0500, Matt Glasser <[log in to unmask]> wrote:
>Martin,
>
>
>
>This script is for rotating all of the vectors the same amount, for example
>if you register your DTI data to another space and want to recalculate the
>quantitative DTI parameters. It would certainly be possible to make a
>script that takes the rotation components of the eddy_correct for each
>gradient individually and applies them to the table.
>
>
>
>Peace,
>
>
>
>Matt.
>
>
>
> _____
>
>From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf
>Of Martin Kavec
>Sent: Sunday, September 07, 2008 1:48 AM
>To: [log in to unmask]
>Subject: Re: [FSL] correcting dti bvecs after registration
>
>
>
>Hi Matt,
>
>could you please explain me: you take one flirt matrix and you use it to
>rotate components of the whole bvecs? While this could be correct for
>rotating gradient component of, say 5th DTI image with respect to the
>reference, the 10th image may be rotated differently than the 5th one.
>
>Thanks,
>
>Martin
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